Is 3916 is a composite number or not ?
- As we already know that, the number having factors 1 and the number itself is the prime number.
- And numbers having more than these two factors are the composite numbers.
- To check whether the number 3916 is composite or not first we have to find its factors.
Contents
Factors of 3916:
- If we have taken numbers from 1, 2, 3…for checking factors of 3916, we found that 3916 has factors 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916. Hence, we must say that 3916 is a composite number.
- Thus, 3916 is the composite number.
- If we multiply 3916 by 1, 2, 3 then we get the multiples of 3916 which are 3916, 7832 and so on.
About the number 3916:
- 3916 has more than two factors which are 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916 and hence it is the composite number.
- 3916 is the even composite number and it is not the perfect square also.
- If we divide 3916 by, 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916 then we get remainder as zero. Hence, 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916 are the factors of 3916.
Note:
- 3916 is not the perfect square.
- Factors of 3916: 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916
- Prime factors of 3916: 2, 11, 89
Conclusion:
- 3916 is the composite number which has factors, 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916
- And hence, 3916 is not the prime number.
Multiple Choice Questions:
1) 3916 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 3916 are
a) 3916
b) 2, 11, 89
c) 4, 22, 44, 178, 356, 979, 1958 and 3916
d) 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916
Ans: c) 4, 22, 44, 178, 356, 979, 1958 and 3916
3) 3916 is composite number because
a) It has factors 1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958 and 3916
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b